场强度

According to the in situ environments of deep copper mines, the authors have developed new types of underway LHD roads, including a cement mine waste concrete road, a plaster mine waste concrete road, a composite jelling agent ore powder concrete road and a block mine waste rolled road, ensuring high intensity underway transport.

针对深部铜矿井下采场铲运机运行路面的具体情况，开发以井下矿碴为骨料的水泥、石膏、复合胶凝剂矿粉混凝土路面及块状矿碴辗压路面，为高强度井下采矿作业提供了运输保障，与传统的砂料混凝土路面相比，技术经济效益显著。

And by means of semiclassical theory, the changes of HHG for realistic hydrogen atom in the static electric field is explained.

已有的理论和实验研究表明，原子在强激光场中产生的高次谐波的典型特征是：随谐波阶数的增加，开始几阶谐波强度很快地下降，接着出现了一个"平台"，在平台区域内，谐波的

The influence of low-frequency electromagnetic field on microstructure and morphology of primary Si particles of Al-19.2% Si alloy ingot specimens prepared by semicontinuous casting process was investigated with electronic optical microscopy, where the specimens were taken from different parts of the cast to which different electromagnetic fields are applied.

采用低频电磁半连续铸造技术制备Al-19.2% Si合金铸锭，利用电子光学显微镜对铸锭的显微组织进行分析比较，研究了电磁场强度和频率对初生硅颗粒形貌的影响；利用测温技术对合金的凝固过程进行监测，研究低频电磁场对凝固前沿温度场的影响。

In view of the questions in theoretic analysis and numerical simulation with the finite element method,the separation criterion of chips, the surface contact, the setting of friction coefficient,and the thermal stress coupling are researched. A simulation example is presented by applying the finite element analysis software-ANSYS,and the change of stress and strain in metal cutting process, the forming of shear plane and the influence of the temperature field on metal cutting are analyzed. The tool's strength is also analyzed.

基于理论分析和实际有限元数值模拟计算中遇到的问题，研究、讨论了切屑分离标准、表面接触、摩擦系数的设定、切屑与工件之间的连接以及热应力耦合分析等各项技术，并应用大型有限元分析软件ANSYS，具体分析了金属切削过程中应力和应变的变化、剪切面的形成以及温度场对金属切削的影响，并依此对刀具作强度分析，得到若干结论。

Founded upon these results, singular stress fields, complex stress intensity factors and energy release rate for local extension of 3-d planar crack on the interface are rigorously obtained by use of dominant-part analysis of 2-d hypersingular integrals.

在这些研究结果的基础上，应用二维超奇异积分的主部分析方法，精确地得到了界面三维平片裂纹前沿的应力奇性场、复应力强度因子和裂纹局部扩展时的能量释放率。

Fifth, dry the fruitage to gain the cast powder that sparse earth activates Y2SiO5. the invention has many advantages, for example, high luminous inteneity, controllable powder granula and smooth-faced granulas, so it adapt to different dishware, especially, emanation in field and projectional T Invention name

本发明所提供的稀土激活Y2SiO5荧光粉具有发光强度高、粉末颗粒度可控、颗粒表面光滑的优点，可以适合不同器件的要求，尤其可适用于场发射和投影电视等具有特殊要求的场合。

In order to calculate the electric field intensities of spherical electrode s in 3-D electrostatic fields precisely,the spherical surface curve triangular BEM which is based on spherical coordinates transformation is put forward.

为了精确计算三维静电场中球形电极表面的电场强度，提出了基于球坐标变换的球面曲边三角形边界元法。

In order to calculate the electric field intensities of spherical electrode s in 3-D electrostatic fields precisely, the spherical surface curve quadrangular BEM based on spherical systems is put forward.

为了精确计算三维静电场中球形电极表面的电场强度，基于球坐标变换提出了球面曲边四边形边界元方法。

The intensity and phase of the external field can also control spontaneous emission from the atom.

驱动场的强度和入射位相也能控制光子晶体中三能级原子的自发辐射。

The 3-D thermal weight function method was proposed, in which the works ussually done for finite element stress analyses for every time instants could be avoided, and the transient stress intensity factor of a body subjected to thermal shock can be calculated through direct integration of products of temperature fields and TWF.

在国际上首次以三维热权函数法为核心，绕过对每一时刻有限元应力分析这一步，直接通过温度场与热权函数的乘积的积分来计算热冲击应力强度因子K的过渡过程，极大地提高了计算效率。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。